If you’re planning to live, work, or open a bank account in Croatia, you’ll need a Personal Identification Number, known as the OIB (Osobni identifikacijski broj). It’s required for everything—from signing a lease or registering a vehicle to paying taxes or enrolling your child in school. This guide explains how to apply for an OIBNastaviNastavi čitati “What Is a Croatian Personal Identification Number (OIB) and How to Apply for One in Croatia?”